In geometry, a translation is the shifting of a figure from one place to another without rotating, reflecting or changing its size. This is done by moving the vertices of the figure the prescribed number of spaces on a coordinate plane and then drawing the new figure.
These PFDs are designed to keep the wearer in a vertical position, but it is the wearersâ responsibility to maneuver themselves into a face-up position. Type III PFDs will keep unconscious wearers face-up just as well as a Type II vest.
If you determine that. the victim is not breathing, then something may be blocking his air passage. The. tongue is the most common airway obstruction in an unconscious person. With the victim lying flat on his back, place your hand on his forehead and your. other hand under the tip of the chin (Figure 1).